INFORMATION PROCESSOR, INFORMATION PROCESSING METHOD, INFORMATION PROCESSING PROGRAM, AND PEER-TO-PEER SYSTEM

摘要

PROBLEM TO BE SOLVED: To limit a common domain for data in a P2P system.

SOLUTION: A medium is detected to acquire the data within the medium, processed data is prepared to express one part of the original data or a contracted image of the original data (400-404), the original data is enciphered and stored in an application memory to be used in common in a P2P network (406, 408). An access right is set for each file and the access right is set for each user (412), and various kinds of data processing are thereby permitted/prohibited in response to the access right set when referring.

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